A range of quality boat bilge pumps from Seaflo, ranging in capacity from 350 to 3500 gph flow rate.
350gph to 1200gph inclusive have 19mm connector.
1250gph to 2000gph have a 25mm connector.
3500gph has a 38mm connector.
Also we have 24v bilge pumps in two sizes 1200gph and 1250gph.
